Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877229 | Method of extracting and accelerating flat objects | Emmanuel Delbe, Francois Gillet, Etienne Serot, Raymond Chifflet, Philippe Jeantin +2 more | 1989-10-31 |
| 4802665 | Conveyor device for flat objects | Raymond Chifflet, Phillipe Jeantin | 1989-02-07 |